isooctane

noun
iso·​oc·​tane | \ ˌī-sō-ˈäk-ˌtān How to pronounce isooctane (audio) \

Definition of isooctane

: an octane of branched-chain structure or a mixture of such octanes especially : a flammable liquid octane used in determining the octane number of fuels

First Known Use of isooctane

1909, in the meaning defined above

History and Etymology for isooctane

International Scientific Vocabulary

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Time Traveler for isooctane

Time Traveler

The first known use of isooctane was in 1909

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Cite this Entry

“Isooctane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isooctane. Accessed 7 Mar. 2021.

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